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-   -   Need clutch help please (http://www.clubcobra.com/forums/shop-talk/71426-need-clutch-help-please.html)

Haz331 07-26-2006 06:48 AM

You might want to look at Wilwood #260-6089 M/C .75 in. with 1.4" of travel. I used this setup with my push slave with no problems.

WKB 06-07-2007 07:11 AM

I am having trouble with the stroke of my clutch and while searching the forum I found this thread. I know how to fix the problem, but I am having trouble finding a suitable master cylinder. The one that I have is 5/8" remote reservoir girling P5060, but I need to replace it with a 3/4" bore like a Wilwood #260-6089. The problem I have is that the distance between the brake power booster and the clutch master cylinder is about the thickness of a piece of paper. This means I need a master cylinder that has an outer diameter of the main body of 1 1/16"(27mm). The PBR master cylinders that are available in Australia and which are similar to the Wilwood have an outer dia of 1 1/8" which is to big.
If someone who uses the Wilwood #260-6089 could tell me the outer diameter of the main body please or does anyone know another brand of a remote reservoir 3/4" master cylinder that would fit.
If all else fails I can use the larger diameter master cylinder and space it out, but that makes the pushrod longer which could be another potential problem.

Thanks
Warren

Cobra #3170 06-07-2007 08:02 AM

Master Cylinder
 
I just checked my AP's and they are also 1.20 but are much shorter than Girlings if that helps.

ByronRACE 06-07-2007 10:09 AM

Master cylinder
 
You already know the bore of the master cylinder is .750" and the outside diameter is 1.125". Which means your wall is 0.1875"

And, you know that a 1.0625" cylinder fits.

So, why not flat file .07" off the problematic side of the new clutch master cylinder leaving you with a .1175 wall; which is plenty heavy considering this is just a clutch; which is a relatively low pressure application and can tolerate the worst-case unlikely event of a cylinder failure.

In my opinion this is an extremely safe experiment, and far easier than trying to shop for a thin-wall part that may not exist.


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